package com.yango.order.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.yango.order.entity.Order;
import com.yango.order.entity.PayLog;
import com.yango.order.mapper.PayLogMapper;
import com.yango.order.service.OrderService;
import com.yango.order.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.yango.order.utils.HttpClient;
import com.yango.serviceutil.exception.YangoException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author LiDingYin
 * @since 2021-08-04
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;

    //根据订单号生成微信支付二维码
    @Override
    public Map createPayCode(String orderNo) {
        try {
            //根据订单id获取订单信息
            QueryWrapper<Order> wrapper = new QueryWrapper<>();
            wrapper.eq("order_no", orderNo);
            Order order = orderService.getOne(wrapper);
            Map m = new HashMap<>();
            //1、设置支付参数
            m.put("appid", "wx74862e0dfcf69954");//微信支付appid
            m.put("mch_id", "1558950191");//微信支付秘
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle());//课程标题
            m.put("out_trade_no", orderNo);//订单号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue() + "");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type", "NATIVE");
            //发送httpclient请求，传递参数xml格式，微信支付提供的固定地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式参数,key是微信支付秘钥
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行post请求发送
            client.post();
            //得到请求返回结果
            //返回内容---xml形式
            String xml = client.getContent();
            //把xml转换成map集合，返回map集合
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //最终返回结果的封装
            Map map = new HashMap<>();
            map.put("out_trade_no", orderNo);//支付订单号
            map.put("course_id", order.getCourseId());//支付课程id
            map.put("total_fee", order.getTotalFee());//支付金额
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            throw new YangoException(20001, "生成二维码失败!");
        }
    }

    //查询支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);//订单号
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            //发送httpclient请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();//发送post请求
            //得到请求返回的内容
            String xml = client.getContent();
            //将xml转成map返回
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    //添加支付记录到支付记录表，更新订单支付状态
    @Override
    public void updateOrderStatus(Map<String, String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号获取订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no", orderNo);
        //查询
        Order order = orderService.getOne(wrapper);
        //更新订单表订单状态
        if (order.getStatus().intValue() == 1) {
            return;
        }
        order.setStatus(1);//已支付
        //调用方法修改
        orderService.updateById(order);

        //向支付记录表中添加支付记录
        PayLog payLog = new PayLog();
        payLog.setOrderNo(orderNo);//订单号
        payLog.setPayTime(new Date());//订单完成时间
        payLog.setPayType(1);//支付类型 1-微信   2-支付宝
        payLog.setTotalFee(order.getTotalFee());//支付金额
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));//支付流水号
        payLog.setAttr(JSONObject.toJSONString(map));//其他支付参数
        //调用添加方法
        baseMapper.insert(payLog);
    }
}
